Power ISA/Machine State Register

Machine State Register

Bit	Code	Name
0	SF	Sixty-Four-Bit Mode
1:2		Reserved
3	HV	Hypervisor State
4		Reserved
5		always zero
6:28		Reserved
29:30	TS	Transaction State
31	TM	Transactional Memory Available
32:37		Reserved
38	VEC	Vector Available
39		Reserved
40	VSX	VSX Available
41:47		Reserved
48	EE	External Interrupt Enable
49	PR	Problem State
50	FP	Floating-Point Available
51	ME	Machine Check Interrupt Enable
52	FE0	Floating-Point Exception Mode 0
53:54	TE	Trace Enable
55	FE1	Floating-Point Exception Mode 1
56:57		Reserved
58	IR	Instruction Relocate
59	DR	Data Relocate
60		Reserved
61	PMM	Performance Monitor Mark
62	RI	Recoverable Interrupt
63	LE	Little-Endian Mode